How To Install Tesla Model Y Glass Roof Sunshade ?Won't Sag

https://www.amazon.com/dp/B09Y16NYJS
Custom Design: The roof glass sunshade has been custom cut specifically for Tesla Model Y. Precise fit design makes enough to fit the top window, fits all Tesla Y vehicle in 2022 2021 2020.
Won't Sag: Unlike other products on the market, Motrobe Tesla Model Y Roof Sunshade equip with a Velcro Strip to install the middle, not only can cover the gap also it won't sag or collapse like other car heat shields.
Heat Insulation Sunshade: The roof glass sun shade for the tesla model y constructed of lightweight mesh fabric with a collapsible rigid frame, effectively reducing heat transmission into the cabin by blocking two-thirds of solar thermal load. Protect your passengers and model y interior from harmful UV rays.
Easy To Use and Store: The sunshade is installed onto the interior of the glass roof with provided clips. When removed, the shade collapses and can be stored in the included zippered pouch.
Essential Accessories: The package includes 2x glass roof sunshade (front & rear), 2x UV/Heat Insulation Covers, 1x zippered storage pouch, and sunshade clips. Keeps cool for your Tesla Model Y. Lifetime guarantee.